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Publications by Esa Koskela

Authors after the first author are in alphabetical order in all of the papers except no. 1-2, 14, 15, 30 & 35.

Ten selected publications are marked with bolded characters.

Peer-reviewed scientific articles

1.       Kallio ER, Begon M, Birtles RJ, Bown KJ, Koskela E, Mappes T & Watts PC 2013. First report of Anaplasma phagocytophilum and Babesia microti in rodents in Finland. Vector-Borne and Zoonotic Diseases (In press).

2.       Korpela K, Delgado M, Henttonen H, Korpimäki E, Koskela E, Ovaskainen O, Pietiäinen H, Sundell H, Yoccoz NG & Huitu O 2013. Nonlinear effects of climate on boreal rodent dynamics: mild winters do not negate high-amplitude cycles. Global Change Biology 19:697–710.

3.       Boratyński Z, Koskela E, Mappes T & Schroderus E 2013. Quantitative genetics and fitness effects of basal metabolism. Evolutionary Ecology 27:301-314.

4.       Schroderus E, Koivula M, Koskela E, Mappes T, Oksanen TA & Poikonen T 2012 Can number and size of offspring increase simultaneously?- a central life-history trade-off reconsidered. BMC Evolutionary Biology 12:44.

5.       Rikalainen K, Aspi J, Galarza J, Koskela E & Mappes T 2012 Maintenance of genetic diversity in cyclic populations – a longitudinal analysis in Myodes glareolus. Ecology and Evolution 2: 1491-1502.

6.      Mappes T, Aspi J, Koskela E, Poikonen T & Tuomi J 2012. Advantage of rare infanticide strategies in an invasion experiment of behavioural polymorphism. Nature Communications 3:611.

7.       Helle H, Koskela E & Mappes T 2012. Life in varying environments: experimental evidence for delayed effects of juvenile environment on adult life history. Journal of Animal Ecology 81:573-582.

8.       Mills SC, Koskela E & Mappes T 2012. Intralocus sexual conflict for fitness: sexually antagonistic alleles for testosterone. Proceedings of the Royal Society, Biological Sciences 279: 1889-1895.

9.       Mokkonen M, Koskela E, Mappes T & Mills SC 2012. Sexual antagonism for testosterone maintains multiple mating behaviour. Journal of Animal Ecology 81: 277-283.   

10.    Oksanen T, Koivula M, Koskela E, Mappes T & Soulsbury C 2012. Interactive effects of past and present environments on overwintering success – a reciprocal transplant experiment. Ecology and Evolution 2: 899-907.

11.    Häkkilä M, Halme P & Koskela E. 2012. Could fluctuating prey availability change protective nesting associations in forest birds? - A hypothesis. Journal of Ornithology 153:199-203.

12.   Boratynski Z, Alves PC, Berto S, Koskela E, Mappes T & Melo-Ferreira J 2011. Introgression of mitochondrial DNA among Myodes voles: consequences for energetics? BMC Evolutionary Biology 11:355.

13.  Mokkonen M, Kokko H, Koskela E, Lehtonen J, Mappes T, Martiskainen H & Mills SC 2011. Negative frequency-dependent selection of sexually antagonistic alleles in Myodes glareolus. Science 334:972-974.

14.   Kinnunen PM, Inkeroinen H, Ilander M, Kallio ER, Heikkilä HP, Koskela E, Mappes T, Palva A, Vaheri A, Kipar A, Vapalahti O 2011. Intracerebral Borna disease virus infection of bank voles leading to peripheral spread and reverse transcription of viral RNA. PLoS ONE 6(8): e23622. doi:10.1371/journal.pone.0023622.

15.    Lantová P, Zub K, Šíchová K, Koskela E & Borowski Z 2011. Is there a linkage between metabolism and personality in small mammals? The root vole (Microtus oeconomus) example. Physiology & Behavior 104:378–383.

16.   Rutkowska J, Koskela E, Mappes T & Speakman JR 2011. A trade-off between current and future sex allocation revealed by maternal energy budget in a small mammal. Proceedings of the Royal Society, Biological Sciences 278:2962-2969.

17.   Kallio ER, Begon M, Henttonen H, Koskela E, Mappes T, Vaheri A & Vapalahti O 2010. Hantavirus infections in fluctuating host populations: the role of maternal antibodies. Proceedings of the Royal Society, Biological Sciences 277:3783-3791.

18.    Boratyński Z, Koskela E, Mappes T & Oksanen TA 2010. Sex-specific selection on energy metabolism - selection coefficients for winter survival. Journal of Evolutionary Biology 23:1969-1978.

19.   Schroderus E, Jokinen I, Koivula M, Koskela E, Mappes T, Mills SC, Oksanen TA, Poikonen T 2010. Intra- and intersexual trade-offs between testosterone and immune system: implications for sexual and sexually antagonistic selection. American Naturalist 176: E90-E97.

20.    Mills SC, Grapputo A, Jokinen I, Koskela E, Mappes T & Poikonen T 2010. Fitness trade-offs mediated by immunosuppression costs in a small mammal. Evolution 64:166-179

21.    Huitu, O, Kiljunen N, Korpimäki E, Koskela E, Mappes T, Pietiäinen H, Pöysä H, Henttonen H 2009. Density-dependent vole damage in silviculture and associated economic losses at a nationwide scale. Forest Ecology and Management 258:1219-1224.

22.   Koskela E, Mappes T, Niskanen T & Rutkowska J 2009. Maternal investment in relation to sex ratio and offspring number in a small mammal - a case for Trivers & Willard theory? Journal of Animal Ecology 78:1007–1014.

23.    Kallio ERK, Begon M, Henttonen H, Koskela E, Mappes T, Vaheri A & Vapalahti O 2009. Cyclic hantavirus epidemics in humans – predicted by rodent host dynamics. Epidemics 1:101–107.

24.    Mills SC, Grapputo A, Jokinen I, Koskela E, Mappes T, Oksanen TA & Poikonen T 2009. Testosterone-mediated effects on fitness-related phenotypic traits and fitness. American Naturalist 173: 475-487.

25.    Mappes T, Grapputo A, Hakkarainen H, Huhta E, Koskela E, Saunanen R & Suorsa P 2008. Island selection on mammalian life-histories: genetic differentiation in offspring size. BMC Evolutionary Biology 8:296.

26.    Rikalainen K, Grapputo A, Knott, E, Koskela E & Mappes T 2008. A large panel of novel microsatellite markers for the bank vole (Myodes glareolus). Molecular Ecology Resources 8:1164-1168.

27.    Mappes T, Koivula M, Koskela E, Oksanen TA, Savolainen T & Sinervo B 2008. Frequency and density-dependent selection on life-history strategies - a field experiment. PLoS ONE 3(2): e1687.

28.    Poikonen T, Koskela E, Mappes T & Mills SC 2008. Infanticide in the evolution of reproductive synchrony: effects on reproductive success. Evolution 62:612-621.

29.    Oksanen TA, Koivula M, Koskela E & Mappes T 2007. The cost of reproduction induced by body size at birth and breeding density. Evolution 61:2822–2831.

30.    Kallio ER, Voutilainen L, Vapalahti O, Vaheri A,  Henttonen H, Koskela E & Mappes T 2007. Endemic hantavirus infection impairs the winter survival of its rodent host. Ecology 88: 1911-1916.

31.    Mills SC, Alatalo RV, Koskela E, Mappes J, Mappes T & Oksanen TA 2007. Signal reliability compromised by genotype-by-environment interaction and potential mechanisms for its preservation. Evolution 61:1748-1757.

32.    Huitu O, Jokinen I, Korpimäki E, Koskela E & Mappes T 2007. Phase dependence in winter physiological condition of cyclic voles. Oikos 116:565-577.  

33.   Mills SC, Grapputo A, Koskela E & Mappes T 2007. Quantitative measure of sexual selection with respect to the operational sex ratio: a comparison of selection indices. Proceedings of the Royal Society of London, Biological Sciences 274: 143-150.

34.    Hakkarainen H, Huhta E, Koskela E, Mappes T, Soveri & Suorsa P 2007. Eimeria-parasites are associated with a lowered mother’s and offspring’ body condition in island and mainland populations of the bank vole. Parasitology 134: 23-31.

35.    Kallio ER, Poikonen A, Vaheri A, Vapalahti O, Henttonen H, Koskela E & Mappes T 2006. Maternal antibodies postpone hantavirus infection and enhance individual breeding success. Proceedings of the Royal Society of London, Biological Sciences 273: 2771-2776.

36.    Koskela E, Huitu O, Koivula M, Korpimäki E & Mappes T 2004. Sex-biased maternal investment in voles: importance of environmental conditions. Proceedings of the Royal Society of London, Biological Sciences 271: 1385-1391.

37.    Mappes T & Koskela E 2004. Genetic basis of the trade-off between offspring number and quality in the bank vole. Evolution 58: 645-650.

38.    Halme P, Häkkilä M & Koskela E 2004. Do breeding Ural Owls Strix uralensis protect ground nests of birds?: an experiment using dummy nests. Wildlife Biology 10: 145-148.

39.    Kuukasjärvi S, Eriksson CJP, Koskela E, Mappes T, Nissinen K & Rantala M 2004. Attractiveness of women’s body odors over the menstrual cycle: the role of oral contraceptives and receiver sex. Behavioral Ecology 15: 579-584. 

40.   Koivula M, Koskela E, Mappes T & Oksanen TA 2003. Cost of reproduction in the wild: manipulation of reproductive effort in the bank vole. Ecology 84: 398-405.

41.    Oksanen TA, Jokinen I, Koskela E, Mappes T & Vilpas H 2003. Manipulation of offspring number and size: benefits of large body size at birth depend upon the rearing environment. Journal of Animal Ecology, 72: 321-330.

42.    Jonsson P, Hartikainen T, Koskela E & Mappes T 2002. Determinants of reproductive success in voles: space use in relation to food and litter size manipulation. Evolutionary Ecology 16:455-467.

43.    Oksanen TA, Koskela E & Mappes T 2002. Hormonal manipulation of offspring number: maternal effort and reproductive costs. Evolution, 56:1530-1537.

44.    Jonsson P, Agrell J, Koskela E & Mappes T 2002. Effects of litter size on pup defence and weaning success of neighbouring bank vole females. Canadian Journal of Zoology 80:1-5.

45.    Oksanen TA, Jonsson P, Koskela E & Mappes T 2001. Optimal allocation of reproductive effort: manipulation of offspring number and size in the bank vole. Proceedings of the Royal Society of London, Biological Sciences 268:1-6.

46.    Koskela E, Juutistenaho P, Mappes T & Oksanen TA 2000. Offspring defence in relation to litter size and age: experiment in the bank vole Clethrionomys glareolus. Evolutionary Ecology 14:99-109.

47.    Jonsson P, Koskela E & Mappes T 2000. Does predation risk by mammalian predators affect the spacing behaviour in rodents? Two large-scale experiments. Oecologia 122:487-492.

48.    Koivula M, Koskela E & Viitala J 1999. Sex and age-specific differences in ultraviolet reflectance of scent marks of bank voles (Clethrionomys glareolus). Journal of Comparative Physiology A. 185: 561-564.

49.    Oksanen TA, Alatalo RV, Horne TJ, Koskela E, Mappes J & Mappes T. 1999. Maternal effort and male quality in the bank vole Clethrionomys glareolus. Proceedings of the Royal Society of London, Biological Sciences 266: 1495-1500.

50.    Koskela E, Mappes T & Ylönen H 1999. Experimental manipulation of breeding density and litter size: effects on reproductive success in the bank vole. Journal of Animal Ecology 68: 513-521.

51.    Mappes T, Koskela E & Ylönen H 1998. Breeding suppression in voles under predation risk of small mustelids: laboratory or methodological artifact? Oikos 82: 365-369.

52.   Koskela E, Jonsson P, Hartikainen T & Mappes T 1998. Limitation of reproductive success by food availability and litter size in the bank vole, Clethrionomys glareolus. Proceedings of the Royal Society of London, Biological Sciences 265: 1129-1134.

53.    Koskela E 1998. Offspring growth, survival and reproductive success in the bank vole: a litter size manipulation experiment. Oecologia 115: 379-384.

54.    Ylönen H, Koskela E & Mappes T 1997. Infanticide in the bank vole (Clethrionomys glareolus): occurrence and the effect of familiarity on female infanticide. Annales Zoologici Fennici 34: 259-266.

55.    Koskela E, Mappes T & Ylönen H 1997. Territorial behaviour and reproductive success of bank vole Clethrionomys glareolus females. Journal of Animal Ecology 66:341-349.

56.    Koskela E, Horne TH, Mappes T & Ylönen H 1996. Does risk of small mustelid predation affect the oestrous cycle in the bank vole, Clethrionomys glareolus? Animal Behaviour 51: 1159-1163.

57.    Ylönen H, Koskela E & Mappes T 1995. Small mustelids and breeding suppression of cyclic microtines: adaptation or general sensitivity? Annales Zoologici Fennici 32:171-174.

58.    Mappes T, Koskela E & Ylönen H 1995. Reproductive costs and litter size in the bank vole. Proceedings of the Royal Society of London, Biological Sciences 261: 19-24.

59.    Koskela E & Ylönen H 1995. Suppressed breeding in the field vole (Microtus agrestis): an adaptation to cyclically fluctuating predation risk. Behavioral Ecology 6: 311-315.

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